General Introductory Part: 1 Structure and function of the cellular elements in the CNS 2 Structure and organization of centres 3 Structure and organisation of fibre systems 4 Morphogenesis and general morphology 5 Histogenesis and general structure 6 Comparative neuroanatomy: Place, principles and programme 7 Notes on techniquesSpecialised Part: 8 Introduction 9 Amphioxus 10 Lampreys 11 Hagfishes 12 Cartilaginous fishes 13 Brachiopterygian fishes 14 Chondrostean fishes 15 Holosteans and teleosts 16 Lungfishes 17 The coelacanth, Latimeria chalumnae 18 Urodele amphibians 19 Anuran amphibians 20 Reptiles 21 Birds 22 MammalsGeneral Concluding Part: 23 Brain size in vertebrates 24 The meaning of it all